CN106393559A - Specular no-mark injection molding process - Google Patents
Specular no-mark injection molding process Download PDFInfo
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- CN106393559A CN106393559A CN201611056712.0A CN201611056712A CN106393559A CN 106393559 A CN106393559 A CN 106393559A CN 201611056712 A CN201611056712 A CN 201611056712A CN 106393559 A CN106393559 A CN 106393559A
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- temperature
- hot
- mould
- resin material
- injection molding
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7337—Heating or cooling of the mould using gas or steam
Abstract
The present invention discloses a specular no-mark injection molding process, specifically comprises the following steps: step (1), choice of a material; step (2), drying; step (3), hot-pressing treatment: performing hot-pressing treatment on the resin material by means of a hot pressing mechanism to eliminate internal stress existing within the resin material and to further reduce the humidity of the resin material to be below 0.01%; step (4) preheating; step (5), mold clamping; step (6), injection; step (7), cooling; and step (8), mold opening (removing cooling water). In addition, the specular no-mark injection molding process eliminates the internal stress existing inside before molding of a plastic part product, such that the surface of the plastic part product has high glossiness and is specular; and the yield is greatly increased.
Description
Technical field
The present invention relates to a kind of high-surface gloss traceless injection molding process, belong to injection molding technology field.
Background technology
High-light no-trace injection molding technology, can copy mold table well using this technology also known as rapid thermal cycles injection molding technology
Any shape in face, makes product part surface no melt trace, no current mark, no streamline, no shrink mark；Surface bloom, reaches mirror effect；Carry
High plastic intensity and case hardness；Make shaping thin wall improve Injection Molding, improve product quality and intensity；Heavy wall molding is made to note
The cycle of moulding can reduce by more than 60%；Without the seriously polluted spraying coating process of subsequent environments, technological process, save energy and material can be reduced
Material.Directly reduce the cost of plastic, the health of human body of environmental protection and operator.In household electrical appliances, automobile communication, daily
The industries such as product, medical treatment are with a wide range of applications.For example：Panel TV set, computer liquid-crystal display, air-conditioning, automotive trim
Part etc..High-light no-trace injection molding technology, can copy mold surface well using this technology also known as rapid thermal cycles injection molding technology
Any shape, make product part surface no melt trace, no current mark, no streamline, no shrink mark；Surface bloom, reaches mirror effect；Improve
Plastic intensity and case hardness；Make shaping thin wall improve Injection Molding, improve product quality and intensity；Make heavy wall injection molding
Cycle can reduce by more than 60%；Without the seriously polluted spraying coating process of subsequent environments, technological process, save energy and material can be reduced
Material.Directly reduce the cost of plastic, the health of human body of environmental protection and operator.In household electrical appliances, automobile communication, daily
The industries such as product, medical treatment are with a wide range of applications.As：Panel TV set, computer liquid-crystal display, air-conditioning, automotive upholstery
Deng.
Typically require that bloom is not allow for weld mark, indenture, stream currently for the apparent quality of some high-end products
The bad defects such as trace, ripple and filamentary silver stricture of vagina, and formed product moment can not there is internal stress（The presence extreme influence of internal stress is moulded
The intensity of product, toughness and appearance glossiness etc.）, and common injection molding process is difficult to meet the requirement of this respect.For this reason,
Need to design a kind of new injection molding process technology, comprehensive can overcome the shortcomings of that above-mentioned prior art exists.
Content of the invention
The present invention exactly in view of the shortcomings of the prior art, provides a kind of high-surface gloss traceless injection molding process, Neng Gouke
Take the deficiency of prior art presence, meet actual operation requirements.
For solving the above problems, the technical solution used in the present invention is as follows：
A kind of high-surface gloss traceless injection molding process, specifically includes following steps：
Step（1）, sorting：Made from one of PC, ABS/PC, PC/PMMA, PMMA/ABS, PC/GF and high-light ABS material
For injection resin material；
Step（2）, dry：Above-mentioned resin material is carried out drying and processing（Described drying temperature is set to 115 DEG C, and drying time sets
For 2-3 hour）So as to humidity is reduced between 0.2%-0.4%；
Step（3）, hot-pressing processing：Above-mentioned resin material is carried out hot-pressing processing by hot pressing mechanism, to eliminate in resin material
Exist internal stress and further the humidity of resin material is reduced to less than 0.01%；
Step（4）, preheating：Using heat flow system, the pre-heat treatment is carried out to mould, preheating temperature is set to 80-90 DEG C, preheating time
It is set to 1.5-2 hour；
Step（5）, matched moulds：It is passed through high temperature hot gas stream in the mould after preheating, make mold temperature moment reach more than above-mentioned tree
The flow temperature of fat material deformation, and the temperature of described high temperature hot gas stream is 160-180 DEG C（Described mold temperature moment reaches
125-150℃）；
Step（6）, injection：Resin material under injection is passed through drying and hot-pressing processing and is in molten condition in mould, and
After completing injection, high temperature hot gas stream is excluded outside mould（And maintain described mold temperature to be not less than 125 DEG C in injection moulding process）；
Step（7）, cooling：It is passed through cooling water in mould, make mould be rapidly cooled to 20-40 DEG C, and the tree under molten condition
Fat material is shaped formation finished product in a mold；
Step（8）, die sinking（Remove cooling water）：Finished product is ejected by mould, takes out finished product（It is blown into pressure-air in mould, row
Go out cooling water, and the pressure of described pressure-air is 0.6-1.5MPa）.
As the improvement of technique scheme, described hot pressing mechanism includes hot pressing room and the setting that is connected with described hot pressing room
It is provided with positive damping hole and reverse damping hole between compensation system, and described hot pressing room and described compensation system.
As the improvement of technique scheme, described compensation system includes compensated chamber, and described compensated chamber is provided with first
Airflow inlet, described compensation interior is provided with temperature sense medium, first circulation unit and first and fiber tube is dried.
As the improvement of technique scheme, described heat flow system includes temperature-compensating room, described temperature-compensating room setting
Be equipped with the second airflow inlet and air stream outlet, described temperature-compensating interior be provided with hot-fluid induction medium, second circulation unit and
Second is dried fiber tube.
Compared with prior art, the implementation result of the present invention is as follows for the present invention：
A kind of high-surface gloss traceless injection molding process of the present invention is simple so that the surface of plastic member product has high glaze
Degree, improves the fineness of product surface, thus eliminating the weld mark of product surface presence, indenture, current mark, ripple and filamentary silver
The bad defect such as stricture of vagina；Processed using hot-pressing processing and hot-fluid and eliminate in internal presence before material body and plastic member product molding
Stress, greatly improves yield rate；Avoid the shrink phenomenon of product surface.
Additionally, plastic member product does not need spraying etc. so that plastic member product quality is more perfect after molding of the present invention.
Brief description
Fig. 1 is hot pressing mechanism structural representation of the present invention；
Fig. 2 is compensation system structural representation of the present invention；
Fig. 3 is heat flow system structural representation of the present invention.
Specific embodiment
Present disclosure to be described below in conjunction with specific embodiments.
Specific embodiment 1
As Figure 1-3, it is a kind of high-surface gloss traceless injection molding process described in the present embodiment, specifically include following steps：
Step（1）, sorting：Made from one of PC, ABS/PC, PC/PMMA, PMMA/ABS, PC/GF and high-light ABS material
For injection resin material；
Step（2）, dry：Above-mentioned resin material is carried out drying and processing（Drying temperature is set to 115 DEG C, and it is little that drying time is set to 2
When）So as to humidity is reduced between 0.2%；
Step（3）, hot-pressing processing：Above-mentioned resin material is carried out hot-pressing processing by hot pressing mechanism, to eliminate in resin material
Exist internal stress and further the humidity of resin material is reduced to less than 0.01%；
Step（4）, preheating：Using heat flow system, the pre-heat treatment is carried out to mould, preheating temperature is set to 80 DEG C, and preheating time is set to
1.5 hour；
Step（5）, matched moulds：It is passed through high temperature hot gas stream in the mould after preheating, make mold temperature moment reach more than above-mentioned tree
The flow temperature of fat material deformation, and the temperature of high temperature hot gas stream is 160 DEG C（Mold temperature moment reaches 125 DEG C）；
Step（6）, injection：Resin material under injection is passed through drying and hot-pressing processing and is in molten condition in mould, and
After completing injection, high temperature hot gas stream is excluded outside mould（And maintain described mold temperature to be not less than 125 DEG C in injection moulding process）；
Step（7）, cooling：It is passed through cooling water in mould, make the resinous wood that mould is rapidly cooled under 20 DEG C, and molten condition
Sizing forms finished product to material in a mold；
Step（8）, die sinking（Remove cooling water）：Finished product is ejected by mould, takes out finished product（It is blown into pressure-air in mould, row
Go out cooling water, and the pressure of described pressure-air is 0.6MPa）.
Specifically, launch as shown in Figure 1-2, described hot pressing mechanism includes hot pressing room 10 and the setting that is connected with hot pressing room 10
It is provided with positive damping hole 11 and reverse damping hole 12, hot pressing room between compensation system 20, and hot pressing room 10 and compensation system 20
It is provided with the hot pressing lid 13 using cooperatively on 10；Described compensation system 20 includes compensated chamber 30, compensated chamber 30 being provided with first
Airflow inlet 40, is provided with temperature sense medium 31, first circulation unit 32 and first and fiber tube 33 is dried in compensated chamber 30.
More specifically, as shown in figure 1, described heat flow system includes temperature-compensating room 100, temperature-compensating room 100 is arranged
There are the second airflow inlet 110 and air stream outlet 120, in temperature-compensating room 100, be provided with hot-fluid induction medium 101, second circulation
Unit 102 and second is dried fiber tube 103.
A kind of high-surface gloss traceless injection molding process of the present invention is simple so that the surface of plastic member product has height
Glossiness, improves the fineness of product surface, thus eliminate product surface presence weld mark, indenture, current mark, ripple and
The bad defect such as filamentary silver stricture of vagina；Processed using hot-pressing processing and hot-fluid and eliminate internal presence before material body and plastic member product molding
Internal stress, greatly improve yield rate；Avoid the shrink phenomenon of product surface.
Additionally, plastic member product does not need spraying etc. so that plastic member product quality is more perfect after molding of the present invention.
Specific embodiment 2
As Figure 1-3, it is a kind of high-surface gloss traceless injection molding process described in the present embodiment, specifically include following steps：
Step（1）, sorting：Made from one of PC, ABS/PC, PC/PMMA, PMMA/ABS, PC/GF and high-light ABS material
For injection resin material；
Step（2）, dry：Above-mentioned resin material is carried out drying and processing（Drying temperature is set to 115 DEG C, and drying time is set to 2.5
Hour）So as to humidity is reduced between 0.3%；
Step（3）, hot-pressing processing：Above-mentioned resin material is carried out hot-pressing processing by hot pressing mechanism, to eliminate in resin material
Exist internal stress and further the humidity of resin material is reduced to less than 0.01%；
Step（4）, preheating：Using heat flow system, the pre-heat treatment is carried out to mould, preheating temperature is set to 85 DEG C, and preheating time is set to
1.75 hour；
Step（5）, matched moulds：It is passed through high temperature hot gas stream in the mould after preheating, make mold temperature moment reach more than above-mentioned tree
The flow temperature of fat material deformation, and the temperature of high temperature hot gas stream is 170 DEG C（Mold temperature moment reaches 137.5 DEG C）；
Step（6）, injection：Resin material under injection is passed through drying and hot-pressing processing and is in molten condition in mould, and
After completing injection, high temperature hot gas stream is excluded outside mould（And maintain described mold temperature to be not less than 125 DEG C in injection moulding process）；
Step（7）, cooling：It is passed through cooling water in mould, make the resinous wood that mould is rapidly cooled under 30 DEG C, and molten condition
Sizing forms finished product to material in a mold；
Step（8）, die sinking（Remove cooling water）：Finished product is ejected by mould, takes out finished product（It is blown into pressure-air in mould, row
Go out cooling water, and the pressure of described pressure-air is 1.05MPa）.
Specifically, launch as shown in Figure 1-2, described hot pressing mechanism includes hot pressing room 10 and the setting that is connected with hot pressing room 10
It is provided with positive damping hole 11 and reverse damping hole 12, hot pressing room between compensation system 20, and hot pressing room 10 and compensation system 20
It is provided with the hot pressing lid 13 using cooperatively on 10；Described compensation system 20 includes compensated chamber 30, compensated chamber 30 being provided with first
Airflow inlet 40, is provided with temperature sense medium 31, first circulation unit 32 and first and fiber tube 33 is dried in compensated chamber 30.
More specifically, as shown in figure 1, described heat flow system includes temperature-compensating room 100, temperature-compensating room 100 is arranged
There are the second airflow inlet 110 and air stream outlet 120, in temperature-compensating room 100, be provided with hot-fluid induction medium 101, second circulation
Unit 102 and second is dried fiber tube 103.
A kind of high-surface gloss traceless injection molding process of the present invention is simple so that the surface of plastic member product has height
Glossiness, improves the fineness of product surface, thus eliminate product surface presence weld mark, indenture, current mark, ripple and
The bad defect such as filamentary silver stricture of vagina；Processed using hot-pressing processing and hot-fluid and eliminate internal presence before material body and plastic member product molding
Internal stress, greatly improve yield rate；Avoid the shrink phenomenon of product surface.
Additionally, plastic member product does not need spraying etc. so that plastic member product quality is more perfect after molding of the present invention.
Specific embodiment 3
As Figure 1-3, it is a kind of high-surface gloss traceless injection molding process described in the present embodiment, specifically include following steps：
Step（1）, sorting：Made from one of PC, ABS/PC, PC/PMMA, PMMA/ABS, PC/GF and high-light ABS material
For injection resin material；
Step（2）, dry：Above-mentioned resin material is carried out drying and processing（Drying temperature is set to 115 DEG C, and it is little that drying time is set to 3
When）So as to humidity is reduced between 0.4%；
Step（3）, hot-pressing processing：Above-mentioned resin material is carried out hot-pressing processing by hot pressing mechanism, to eliminate in resin material
Exist internal stress and further the humidity of resin material is reduced to less than 0.01%；
Step（4）, preheating：Using heat flow system, the pre-heat treatment is carried out to mould, preheating temperature is set to 90 DEG C, and preheating time is set to
2 hours；
Step（5）, matched moulds：It is passed through high temperature hot gas stream in the mould after preheating, make mold temperature moment reach more than above-mentioned tree
The flow temperature of fat material deformation, and the temperature of high temperature hot gas stream is 180 DEG C（Mold temperature moment reaches 150 DEG C）；
Step（6）, injection：Resin material under injection is passed through drying and hot-pressing processing and is in molten condition in mould, and
After completing injection, high temperature hot gas stream is excluded outside mould（And maintain described mold temperature to be not less than 125 DEG C in injection moulding process）；
Step（7）, cooling：It is passed through cooling water in mould, make the resinous wood that mould is rapidly cooled under 40 DEG C, and molten condition
Sizing forms finished product to material in a mold；
Step（8）, die sinking（Remove cooling water）：Finished product is ejected by mould, takes out finished product（It is blown into pressure-air in mould, row
Go out cooling water, and the pressure of described pressure-air is 1.5MPa）.
Specifically, launch as shown in Figure 1-2, described hot pressing mechanism includes hot pressing room 10 and the setting that is connected with hot pressing room 10
It is provided with positive damping hole 11 and reverse damping hole 12, hot pressing room between compensation system 20, and hot pressing room 10 and compensation system 20
It is provided with the hot pressing lid 13 using cooperatively on 10；Described compensation system 20 includes compensated chamber 30, compensated chamber 30 being provided with first
Airflow inlet 40, is provided with temperature sense medium 31, first circulation unit 32 and first and fiber tube 33 is dried in compensated chamber 30.
More specifically, as shown in figure 1, described heat flow system includes temperature-compensating room 100, temperature-compensating room 100 is arranged
There are the second airflow inlet 110 and air stream outlet 120, in temperature-compensating room 100, be provided with hot-fluid induction medium 101, second circulation
Unit 102 and second is dried fiber tube 103.
A kind of high-surface gloss traceless injection molding process of the present invention is simple so that the surface of plastic member product has height
Glossiness, improves the fineness of product surface, thus eliminate product surface presence weld mark, indenture, current mark, ripple and
The bad defect such as filamentary silver stricture of vagina；Processed using hot-pressing processing and hot-fluid and eliminate internal presence before material body and plastic member product molding
Internal stress, greatly improve yield rate；Avoid the shrink phenomenon of product surface.
Additionally, plastic member product does not need spraying etc. so that plastic member product quality is more perfect after molding of the present invention.
Above content is made for the present invention in conjunction with specific embodiments detailed description in detail it is impossible to assert that the present invention is specifically real
Apply and be only limitted to these explanations.For those skilled in the art, before without departing from present inventive concept
Put, some simple deduction or replace can also be made, all should be considered as belonging to the scope of protection of the invention.
Claims (4)
1. a kind of high-surface gloss traceless injection molding process it is characterised in that：Specifically include following steps：
Step（1）, sorting：Made from one of PC, ABS/PC, PC/PMMA, PMMA/ABS, PC/GF and high-light ABS material
For injection resin material；
Step（2）, dry：Above-mentioned resin material is carried out drying and processing（Described drying temperature is set to 115 DEG C, and drying time sets
For 2-3 hour）So as to humidity is reduced between 0.2%-0.4%；
Step（3）, hot-pressing processing：Above-mentioned resin material is carried out hot-pressing processing by hot pressing mechanism, to eliminate in resin material
Exist internal stress and further the humidity of resin material is reduced to less than 0.01%；
Step（4）, preheating：Using heat flow system, the pre-heat treatment is carried out to mould, preheating temperature is set to 80-90 DEG C, preheating time
It is set to 1.5-2 hour；
Step（5）, matched moulds：It is passed through high temperature hot gas stream in the mould after preheating, make mold temperature moment reach more than above-mentioned tree
The flow temperature of fat material deformation, and the temperature of described high temperature hot gas stream is 160-180 DEG C（Described mold temperature moment reaches
125-150℃）；
Step（6）, injection：Resin material under injection is passed through drying and hot-pressing processing and is in molten condition in mould, and
After completing injection, high temperature hot gas stream is excluded outside mould（And maintain described mold temperature to be not less than 125 DEG C in injection moulding process）；
Step（7）, cooling：It is passed through cooling water in mould, make mould be rapidly cooled to 20-40 DEG C, and the tree under molten condition
Fat material is shaped formation finished product in a mold；
Step（8）, die sinking（Remove cooling water）：Finished product is ejected by mould, takes out finished product（It is blown into pressure-air in mould, row
Go out cooling water, and the pressure of described pressure-air is 0.6-1.5MPa）.
2. according to claim 1 a kind of high-surface gloss traceless injection molding process it is characterised in that：Described hot pressing mechanism includes heat
Pressure chamber（10）And with described hot pressing room（10）Be connected the compensation system arranging（20）, and described hot pressing room（10）Compensate system with described
System（20）Between be provided with positive damping hole（11）With reverse damping hole（12）, described hot pressing room（10）On be provided with and use cooperatively
Hot pressing lid（13）.
3. according to claim 2 a kind of high-surface gloss traceless injection molding process it is characterised in that：Described compensation system（20）Bag
Include compensated chamber（30）, described compensated chamber（30）On be provided with the first airflow inlet（40）, described compensated chamber（30）Inside it is provided with temperature
Degree induction medium（31）, first circulation unit（32）And first be dried fiber tube（33）.
4. according to claim 1 a kind of high-surface gloss traceless injection molding process it is characterised in that：Described heat flow system includes temperature
Degree compensated chamber（100）, described temperature-compensating room（100）On be provided with the second airflow inlet（110）And air stream outlet（120）, institute
State temperature-compensating room（100）Inside it is provided with hot-fluid induction medium（101）, second circulation unit（102）And second be dried fiber tube
（103）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611056712.0A CN106393559A (en) | 2016-11-26 | 2016-11-26 | Specular no-mark injection molding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611056712.0A CN106393559A (en) | 2016-11-26 | 2016-11-26 | Specular no-mark injection molding process |
Publications (1)
| Publication Number | Publication Date |
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| CN106393559A true CN106393559A (en) | 2017-02-15 |
Family
ID=58082047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201611056712.0A Pending CN106393559A (en) | 2016-11-26 | 2016-11-26 | Specular no-mark injection molding process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106947209A (en) * | 2017-03-28 | 2017-07-14 | 昕亮科技（深圳）有限公司 | High-light no-trace ABS/PMMA materials and preparation method thereof |
| CN107803967A (en) * | 2017-10-26 | 2018-03-16 | 广州中新汽车零部件有限公司 | One kind injection high smooth product is without pressurize moulding process |
| CN108032408A (en) * | 2018-01-05 | 2018-05-15 | 江苏省陶瓷研究所有限公司 | A kind of injection moulding method for preparing ceramic core |
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| EP0472906A2 (en) * | 1990-08-03 | 1992-03-04 | Siempelkamp Handling Systeme GmbH & Co. | Method and apparatus for heating coverings for the production of sandwich elements from multicomponent plastics |
| CN101247935A (en) * | 2005-08-23 | 2008-08-20 | 空中客车德国有限公司 | Press device for the energy-efficient curing of a sandwich component for aircraft |
| CN102390105A (en) * | 2011-09-26 | 2012-03-28 | 余姚市舜宏科技发展有限公司 | Waste heat recovery and material drying energy-saving system for intelligent environmental-friendly injection molding machine |
| CN104441694A (en) * | 2014-11-19 | 2015-03-25 | 湖北三江航天红阳机电有限公司 | Method for reducing deformation of composite material element formed by compression molding |
| CN105835300A (en) * | 2016-06-15 | 2016-08-10 | 惠州市鸿利达精密部件有限公司 | High fineness and no-weldlines injection moulding process |
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| EP0472906A2 (en) * | 1990-08-03 | 1992-03-04 | Siempelkamp Handling Systeme GmbH & Co. | Method and apparatus for heating coverings for the production of sandwich elements from multicomponent plastics |
| CN101247935A (en) * | 2005-08-23 | 2008-08-20 | 空中客车德国有限公司 | Press device for the energy-efficient curing of a sandwich component for aircraft |
| CN102390105A (en) * | 2011-09-26 | 2012-03-28 | 余姚市舜宏科技发展有限公司 | Waste heat recovery and material drying energy-saving system for intelligent environmental-friendly injection molding machine |
| CN104441694A (en) * | 2014-11-19 | 2015-03-25 | 湖北三江航天红阳机电有限公司 | Method for reducing deformation of composite material element formed by compression molding |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106947209A (en) * | 2017-03-28 | 2017-07-14 | 昕亮科技（深圳）有限公司 | High-light no-trace ABS/PMMA materials and preparation method thereof |
| CN106947209B (en) * | 2017-03-28 | 2019-02-22 | 昕亮科技（深圳）有限公司 | High-light no-trace ABS/PMMA material and preparation method thereof |
| CN107803967A (en) * | 2017-10-26 | 2018-03-16 | 广州中新汽车零部件有限公司 | One kind injection high smooth product is without pressurize moulding process |
| CN108032408A (en) * | 2018-01-05 | 2018-05-15 | 江苏省陶瓷研究所有限公司 | A kind of injection moulding method for preparing ceramic core |
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Application publication date: 20170215 |